National Grove 4205
Published drinking-water records and contacts for National Grove 4205. System IL3102491. Review sources and dates; not a real-time water assessment.
- System ID
- IL3102491
- State or territory
- IL
- Published population served
- 25
- System type (source code)
- TNCWS
Published records and dates
Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.
Published testing results
Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.
“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example
Published compliance history
17 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
| Rule / record | Period | Recorded status | Health-based (EPA classification) | Source quarter |
|---|---|---|---|---|
| Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation | 2026-03-07 – — | Unaddressed | No | 2026Q3 |
| Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation | 2026-02-21 – — | Unaddressed | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2025-01-01 – 2025-12-31 | Archived | No | 2026Q3 |
| Nitrate Rule / Monitoring, Regular | 2025-01-01 – 2025-12-31 | Archived | No | 2026Q3 |
| Nitrate Rule / Monitoring, Regular | 2024-01-01 – 2024-12-31 | Archived | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2024-01-01 – 2024-12-31 | Archived | No | 2026Q3 |
| Revised Total Coliform Rule / Monitoring, Routine (RTCR) | 2020-01-01 – 2020-12-31 | Resolved | No | 2026Q3 |
| Nitrate Rule / Monitoring, Regular | 2020-01-01 – 2020-12-31 | Resolved | No | 2026Q3 |
| Nitrate Rule / Monitoring, Regular | 2019-01-01 – 2019-12-31 | Resolved | No | 2026Q3 |
| Nitrate Rule / Monitoring, Regular | 2018-01-01 – 2018-12-31 | Resolved | No | 2026Q3 |
| Nitrate Rule / Monitoring, Regular | 2017-01-01 – 2017-12-31 | Resolved | No | 2026Q3 |
| Total Coliform Rule / Maximum Contaminant Level Violation, Acute (TCR) | 2009-01-01 – 2009-12-31 | Archived | Yes | 2026Q3 |
| Total Coliform Rule / Monitoring, Repeat Major (TCR) | 2005-01-01 – 2005-12-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Repeat Major (TCR) | 2004-10-01 – 2004-12-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Repeat Minor (TCR) | 2000-10-01 – 2000-12-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Repeat Minor (TCR) | 1999-10-01 – 1999-12-31 | Archived | No | 2026Q3 |
| Total Coliform Rule / Monitoring, Repeat Minor (TCR) | 1996-07-01 – 1996-09-30 | Archived | No | 2026Q3 |
Source dates and refresh checks
A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.
- EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
- EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
- EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.